Apa Ini Cinta?

Ariel and Ivana are step sisters, nevertheless they care for each other. One day, they have to separate as Ariel lives in Semarang while Ivana studies in Jakarta. Months after her boyfriend Alan went to Singapore, Ariel decided to go for him and have a quick transit in Jakarta. She met Niko at the airport and a misunderstanding gave each other's bad first impressions. Little did she know that he is Ivana's boyfriend.